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XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R10.htm
EXCEL - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.Financial_Report.xls
10-Q - FORM 10-Q - National American University Holdings, Inc.d379549d10q.htm
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v2.4.0.6
Stockholders Equity (Details) (Restricted stock [Member], USD $)
3 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Restricted stock [Member]
   
Summary of restricted shares activity    
Shares, Non-vested shares, Beginning balance 1,416 54,166
Weighted average grant date fair value, Non-vested shares, Beginning balance $ 10.59 $ 8.62
Restricted stock unit, granted 59,132 43,388
Weighted Average Grant Date Fair value, Granted $ 4.60 $ 10.59
Shares, Vested (1,416)   
Weighted Average Grant Date Fair value, Vested $ 10.59   
Shares, Forfeited      
Weighted Average Grant Date Fair value, Forfeited      
Shares, Non-vested shares, Ending balance 59,132 97,554
Weighted average grant date fair value, Non-vested shares, Ending balance $ 4.60 $ 9.49